Residual salt

unlucky

Well-Known Member
Residual salt build up on rockwool cubes. how do i get shut and is it bad for my plants ?:bigjoint:
 

doser

Well-Known Member
Yes residual salts are bad for plants. Keep them wet and it won't turn into salt? Once in a while a good flush of the soil is prudent but don't over due it
 

unlucky

Well-Known Member
im growing in rockwool in a nft tray...there is only a little bit on the cubes and i have 2weeks left till cut down
 

r1tony

New Member
Couple drops of Sledge Hammer by Fox Farms in your nute solution works wonders, and the Quart bottle lasts forever.
 
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